Aug
11.
Here is my new weekly weather quiz question “What is “Snotel?”
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The Jet Stream gives us Zonal airflow (West to East) continuing the slow cooling trend over the Pacific Northwest. The graphics for days 1-3 show a complex frontal system to our northwest Tuesday. The graphics for days 3-7 Thursday through Monday show a frontal system pushing through the Pacific Northwest between Wednesday and Thursday and another one following right behind it.
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Air Quality Index:
Eugene/Springfield: The Air Quality Index is 22 in the Good category measuring Ozone.
Oakridge: The Air Quality Index is 13 in the Good category measuring Particulate Matter.
Cottage Grove: The Air Quality Index is 35 in the Good category measuring Particulate Matter.
Data courtesy of Lane Regional Air Protection Agency (LRAPA.org)
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ADVISORIES:
- AN AIR QUALITY ADVISORY IS IN EFFECT UNTIL 1 PM TODAY DUE TO WILDFIRE SMOKE FOR THE LANE COUNTY CASCADE FOOTHILLS AND THE CASCADES OF LANE COUNTY.
- AN AIR QUALITY ALERT IS IN EFFECT UNTIL 3 PM TODAY DUE TO WILDFIRE SMOKE FOR DOUGLAS, KLAMATH, AND LAKE COUNTIES.
- AN AIR QUALITY ADVISORY IS IN EFFECT UNTIL THIS AFTERNOON DUE TO WILDFIRE SMOKE FOR DESCHUTES AND GRANT COUNTIES.
- AN AIR QUALITY ALERT IS IN EFFECT UNTIL 8 PM THIS EVENING DUE TO WILDFIRE SMOKE FOR JACKSON COUNTY.
- A FIRE WEATHER WATCH IS IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY AFTERNOON FOR LIGHTNING FOR THE BAKER VALLEY.
HEALTH ADVISORIES:
- A PERMANENT HEALTH ADVISORY REMAINS IN EFFECT FOR THE SOUTH UMPQUA RIVER BAR. POOLS IN THE BEDROCK ALONG THE RIVERS EDGE ARE KNOWN TO DEVELOP BLUE-GREEN ALGAE (CYANOBACTERIAL) BLOOMS THAT CAN BE HARMFUL TO PETS AND PEOPLE IF ACCIDENTAL INGESTION OCCURS. SIGNS HAVE BEEN POSTED ALONG SEVERAL ACCESS AREAS ALONG THE RIVER.
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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis:
- AM clouds, mostly sunny and a bit cooler today, partly cloudy tonight,
- AM clouds and sun, sunny and a bit warmer Tuesday afternoon, mostly clear with patchy fog at night,
- Sunny and a bit warmer Wednesday, then mostly clear Wednesday night.
- highs 79-84 lows 52-54.
- A mix of clouds and sun and a bit cooler Thursday, partly cloudy Thursday night,
- A mix of clouds and sun with a slight (20%) chance of showers Friday, mostly cloudy with a slight (20%) chance of evening showers, party cloudy with a slight (20%) chance of showers late at night,
- A mix of clouds and sun with a slight (20%) chance of showers Saturday, partly cloudy Saturday night,
- Then mostly sunny Sunday.
- highs 82-76 warming to 80 Sunday lows near 52. (seasonal averages high 85 low 52)
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EUGENE-SPRINGFIELD POLLEN COUNT:
GRASS: LOW (3)
TREES: ABSENT (0)
WEEDS: LOW (6)
Last Measured 8.6.24
Data courtesy of Oregon Allergy Associates.
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Forecast for the Umpqua Valley including Roseburg:
- Mostly cloudy with AM haze and smoke, partly cloudy and hazy and a bit cooler this afternoon, partly cloudy and hazy with patchy fog tonight,
- Some AM clouds, sunny and a bit warmer Tuesday afternoon, mostly clear with patchy fog at night,
- Patchy AM and late night fog, mostly sunny and a bit warmer Wednesday, then mostly clear Wednesday night.
- highs 86-79 warming to 82 Tuesday lows 55-59.
- Patchy AM and late night fog, partly cloudy and a bit cooler Thursday and Thursday night,
- Patchy AM and late night fog, mostly cloudy and a bit cooler Friday, partly cloudy with a slight (20%) chance of showers at night,
- Patchy AM and late night fog, partly cloudy and a bit warmer with a slight (20%) chance of showers Saturday, partly cloudy Saturday night,
- Then partly cloudy and a bit warmer with patchy fog Sunday.
- highs 86-82 lows 58-56. (seasonal averages high 87 low 58)
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Forecast for The South Oregon Coast Including Coos Bay and North Bend:
- Mostly cloudy with patchy AM fog and a slight (20%) chance of inland drizzle, just mostly cloudy and a bit cooler this afternoon, mostly cloudy with patchy fog late tonight,
- Patchy AM fog, partly cloudy and a bit warmer Tuesday afternoon, mostly clear with patchy evening fog, partly cloudy with patchy fog late at night,
- Some AM clouds with patchy fog, sunny and a bit cooler Wednesday afternoon, mostly cloudy with patchy fog late Wednesday night.
- highs 66-72 lows 52-57.
- Patchy AM fog, mostly cloudy and a bit cooler Thursday afternoon, partly cloudy in the evening, mostly cloudy with patchy fog and a slight (20%) chance of showers late Thursday night,
- Patchy AM and late night fog, mostly cloudy and a bit cooler with a slight (20%) chance of showers Friday and Friday night,
- Patchy AM and late night fog, mostly cloudy with a slight (20%) chance of AM showers, partly cloudy and a bit cooler Saturday afternoon, partly cloudy Saturday night,
- Patchy AM fog, then partly cloudy and a bit warmer with a slight (20%) chance of showers Sunday afternoon.
- highs 68-66 warming to 67 Saturday night lows 55-53 warming back to 55 Saturday night. (seasonal average high 67 low 52)
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Forecast for the Northern Oregon Cascades including the Cascades in Lane County:
- Mostly sunny and hazy with areas of smoke and a bit cooler today, evening haze, mostly cloudy late tonight,
- Sunny and a bit cooler Tuesday, mostly clear at night,
- Sunny and a bit warmer Wednesday, then partly cloudy Wednesday night.
- free air freezing level 14,000 ft. falling to 13,000 ft. this afternoon, 13,000 ft. tonight, 13,000 ft. falling to 12,000 ft. Tuesday afternoon, 13,000 ft. Tuesday night, 14,000 ft. Wednesday, then 13,000 ft. Wednesday night.
- highs 67-64 warming to 70 Wednesday lows 40-45.
- Mostly sunny and a bit cooler with a slight (20%) chance of showers Thursday, partly cloudy in the evening, mostly cloudy late Thursday night,
- A mix of clouds and sun and a bit cooler with a slight (20%) chance of showers Friday, mostly cloudy with a slight (20%) chance of showers at night,
- Mostly cloudy and a bit warmer with a slight (20%) chance of showers Saturday, partly cloudy in the evening, mostly cloudy late Saturday night,
- Then mostly sunny and a bit warmer with a slight (20%) chance of showers Sunday.
- snow level above 8,000 ft. Thursday, free air freezing level 12,000 ft. Thursday night, snow level above 8,000 ft. Friday through Saturday, free air freezing level 11,000 ft. Saturday night, then snow level above 8,000 ft. Sunday.
- highs 66-60 warming to 65 Sunday lows 44-42.
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